# num = 3
# def fun():
#     num = 5
#     print('函数内局部变量num的值:',num)
# fun()
# print('函数外全局变量num的值:',num)

# num = 5
# def fun():
#     global num
#     num += 1
#     print('函数内num的值：',num)
# fun()
# print('函数外num的值:',num)

# def outer():
#     num = 1
#     def inner():
#         nonlocal  num
#         num = 2
#         print('inner函数中num的值:',num)
#     inner()
#     print('outer函数中num的值:',num)
# outer()

stu = [{'num': '201801', 'name': '王五', 'score': 89},
             {'num': '201802', 'name': '刘军', 'score': 95},
             {'num': '201803', 'name': '李梦', 'score': 85}]
stu.sort (key=lambda x: x['score'])
for s in stu:
    print('学号:',s['num'],'姓名:',s['name'],'成绩:',s['score'])